High- quality telescopic writing instrument made of titanium silver resin, on a brass base, combined with shiny chrome accessories . Patented telescopic mechanism for ejecting the gel ink cartridge . Modern design spring clip with rotating roller at its end . Design strip on the tip of the pen and specific conical top . Roller does not have a cap . Cross is one of the oldest manufacturers of writing instruments ( the company was founded in 1846 ) . Possibility of using four types of refills : 852x gel , 8562 ballpoint , 8441 liner , 8017 highlighter . Lifetime warranty on mechanical parts